Add a .gitignore to disregard build artifacts

.gitignore

@@ -0,0 +1,37 @@
+*.lo
+*.la
+.*.swp
+.deps
+.libs/
+include/
+tests/*.diff
+tests/*.exp
+tests/*.log
+tests/*.php
+tests/*.out
+tests/*.sh
+Makefile
+Makefile.fragments
+Makefile.global
+Makefile.objects
+acinclude.m4
+aclocal.m4
+autom4te.cache/
+build/
+config.guess
+config.h
+config.h.in
+config.log
+config.nice
+config.status
+config.sub
+configure
+configure.ac
+configure.in
+install-sh
+libtool
+ltmain.sh
+missing
+mkinstalldirs
+modules/
+run-tests.php